-
-/* Replacements for functions needed specifically by the 'imagex' program in
- * Windows native builds */
+/* Windows-specific code for wimlib-imagex. */
#ifndef __WIN32__
# error "This file contains Windows code"
#endif
#include "imagex-win32.h"
-#include <windows.h>
+#include <assert.h>
#include <errno.h>
+#include <fcntl.h>
+#include <io.h>
+#include <stdio.h>
#include <string.h>
-#include <assert.h>
-
+#include <windows.h>
-/* Replacement for glob() in Windows native builds. */
-int glob(const char *pattern, int flags,
- int (*errfunc)(const char *epath, int eerrno),
- glob_t *pglob)
+/* Replacement for glob() in Windows native builds that operates on wide
+ * characters. */
+int
+win32_wglob(const wchar_t *pattern, int flags,
+ int (*errfunc)(const wchar_t *epath, int eerrno),
+ glob_t *pglob)
{
- WIN32_FIND_DATA dat;
+ WIN32_FIND_DATAW dat;
DWORD err;
HANDLE hFind;
int ret;
size_t nspaces;
+ const wchar_t *backslash, *end_slash;
+ size_t prefix_len;
+
+ backslash = wcsrchr(pattern, L'\\');
+ end_slash = wcsrchr(pattern, L'/');
+
+ if (backslash > end_slash)
+ end_slash = backslash;
+
+ if (end_slash)
+ prefix_len = end_slash - pattern + 1;
+ else
+ prefix_len = 0;
+
/* This function does not support all functionality of the POSIX glob(),
* so make sure the parameters are consistent with supported
* functionality. */
assert((flags & GLOB_ERR) == GLOB_ERR);
assert((flags & ~(GLOB_NOSORT | GLOB_ERR)) == 0);
- hFind = FindFirstFileA(pattern, &dat);
+ hFind = FindFirstFileW(pattern, &dat);
if (hFind == INVALID_HANDLE_VALUE) {
err = GetLastError();
if (err == ERROR_FILE_NOT_FOUND) {
pglob->gl_pathv = NULL;
nspaces = 0;
do {
- char *filename;
+ wchar_t *path;
if (pglob->gl_pathc == nspaces) {
size_t new_nspaces;
- char **pathv;
+ wchar_t **pathv;
new_nspaces = nspaces * 2 + 1;
pathv = realloc(pglob->gl_pathv,
pglob->gl_pathv = pathv;
nspaces = new_nspaces;
}
- filename = strdup(dat.cFileName);
- if (!filename)
+ size_t filename_len = wcslen(dat.cFileName);
+ size_t len_needed = prefix_len + filename_len;
+
+ path = malloc((len_needed + 1) * sizeof(wchar_t));
+ if (!path)
goto oom;
- pglob->gl_pathv[pglob->gl_pathc++] = filename;
- } while (FindNextFileA(hFind, &dat));
+
+ wmemcpy(path, pattern, prefix_len);
+ wmemcpy(path + prefix_len, dat.cFileName, filename_len + 1);
+ pglob->gl_pathv[pglob->gl_pathc++] = path;
+ } while (FindNextFileW(hFind, &dat));
err = GetLastError();
CloseHandle(hFind);
if (err == ERROR_NO_MORE_FILES) {
return ret;
}
-void globfree(glob_t *pglob)
+void
+globfree(glob_t *pglob)
{
size_t i;
for (i = 0; i < pglob->gl_pathc; i++)
free(pglob->gl_pathv[i]);
- free(pglob->gl_pathv[i]);
+ free(pglob->gl_pathv);
+}
+
+/* Convert a string from the "current Windows codepage" to UTF-16LE. */
+wchar_t *
+win32_mbs_to_wcs(const char *mbs, size_t mbs_nbytes, size_t *num_wchars_ret)
+{
+ if (mbs_nbytes > INT_MAX) {
+ fwprintf(stderr, L"ERROR: too much data (%zu bytes)!\n",
+ mbs_nbytes);
+ return NULL;
+ }
+ if (mbs_nbytes == 0) {
+ *num_wchars_ret = 0;
+ return (wchar_t*)mbs;
+ }
+ int len = MultiByteToWideChar(CP_ACP,
+ MB_ERR_INVALID_CHARS,
+ mbs,
+ mbs_nbytes,
+ NULL,
+ 0);
+ if (len <= 0)
+ goto out_invalid;
+ wchar_t *wcs = malloc(len * sizeof(wchar_t));
+ if (!wcs) {
+ fwprintf(stderr, L"ERROR: out of memory!\n");
+ return NULL;
+ }
+ int len2 = MultiByteToWideChar(CP_ACP,
+ MB_ERR_INVALID_CHARS,
+ mbs,
+ mbs_nbytes,
+ wcs,
+ len);
+ if (len2 != len) {
+ free(wcs);
+ goto out_invalid;
+ }
+ *num_wchars_ret = len;
+ return wcs;
+out_invalid:
+ fwprintf(stderr,
+L"ERROR: Invalid multi-byte string in the text file you provided as input!\n"
+L" Maybe try converting your text file to UTF-16LE?\n"
+ );
+ return NULL;
+}
+
+static inline bool
+is_path_separator(wchar_t c)
+{
+ return c == L'/' || c == L'\\';
+}
+
+/* basename() (modifying, trailing-slash stripping version) for wide-character
+ * strings. Understands both forward and backward slashes. */
+wchar_t *
+win32_wbasename(wchar_t *path)
+{
+ wchar_t *p = wcschr(path, L'\0');
+
+ p--;
+ while (p >= path && is_path_separator(*p))
+ *p-- = '\0';
+ while (p >= path && !is_path_separator(*p))
+ p--;
+ p++;
+ return p;
+}
+
+/* Set a file descriptor to binary mode. */
+void set_fd_to_binary_mode(int fd)
+{
+ _setmode(fd, _O_BINARY);
}